/*******************************************************************************
* Copyright (c) 2007 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jface.tests.performance;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.test.performance.Dimension;
import org.eclipse.ui.tests.performance.TestRunnable;
/**
* ShrinkingTreeTest is a test to see how long it takes to refresh a tree that goes
* from a large item count to a smaller one.
* @since 3.3
*
*/
public class ShrinkingTreeTest extends TreeTest {
/**
* Create a new instance of the receiver.
*
* @param testName
*/
public ShrinkingTreeTest(String testName) {
super(testName);
}
public ShrinkingTreeTest(String testName, int tagging) {
super(testName, tagging);
}
public void testTreeViewerRefresh() throws CoreException {
tagIfNecessary("JFace - Refresh from 1000 items to 100 items",
Dimension.ELAPSED_PROCESS);
openBrowser();
// int smallCount = 1;
// for (int i = 0; i < 3; i++) {
//
// int largeCount = smallCount * 10;
// for (int j = 0; j < 2; j++) {
// System.out.println("Small " + String.valueOf(smallCount)
// + "Large " + String.valueOf(largeCount));
testRefresh(100, 1000);
// largeCount *= 10;
// }
// smallCount *= 10;
// }
}
/**
* Run the test for one of the fast insertions.
*
* @param count
* @throws CoreException
*/
private void testRefresh(final int smallSize, final int largeSize)
throws CoreException {
exercise(new TestRunnable() {
@Override
public void run() {
TestTreeElement input = new TestTreeElement(0, null);
viewer.setInput(input);
input.createChildren(largeSize);
processEvents();
viewer.refresh();
viewer.expandAll();
input.createChildren(smallSize);
startMeasuring();
viewer.refresh();
stopMeasuring();
}
}, MIN_ITERATIONS, ITERATIONS, JFacePerformanceSuite.MAX_TIME);
commitMeasurements();
assertPerformance();
}
}